HXGW-12 Outdoor High Voltage Ring Main Unit

The HXGW-12 series outdoor high-voltage ring main unit is an outdoor high-voltage electrical equipment with a rated voltage of 12kV and a rated current of 630A, used for connecting and tapping power cables.

This product is widely used in urban industrial communities, residential areas, commercial centers, mining areas, airports, railways, wind power stations, switch stations, and distribution networks of large enterprises such as steel, petroleum, chemical, cement, and other occasions. It is particularly suitable for urban road and power grid renovation projects, which can greatly save electrical equipment and cable investment and improve power supply reliability.

The product complies with standards such as IEC60298 "AC Metal Enclosed Switchgear and Control Equipment" and GB3906 "3-35kV AC Metal Enclosed Switchgear".

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Main technical parameters

Rated voltage 12kV
Rated current 630A
Rated short-time withstand current 20kA/3s
Rated peak withstand current 50kA
Power frequency withstand voltage (effective value) 42kV/1min
Lightning impulse withstand voltage 75kV
Lightning impulse fracture withstand voltage 85kV
Secondary circuit power frequency withstand voltage 2kV/1min
Partial discharge <10PC
Rated cable charging breaking current 10A
Rated closed-loop breaking current 630A
Mechanical life 5000/2000次
Shell protection level IP4
Cable section for matching ≤300mm²
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